*Frontmatter, pg. i*Preface, pg. iii*Contents, pg. vii* 1. Marked Riemann surfaces and their canonical differentials, pg. 1* 2. Jacobi varieties and their distinguished subvarieties, pg. 34* 3. Jacobi varieties and symmetric products of Riemann surfaces, pg. 72* 4. Intersections in Jacobi varieties and Torelli's theorem, pg. 141*Appendix. On conditions ensuring that W2r<> , pg. 177*Index of symbols, pg. 188*Index, pg. 189